package com.kurumi.autoprint.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.kurumi.autoprint.pojo.admin.AdminUser;



public class LoginSecurityInterceptor implements HandlerInterceptor {


	@Override
	public void afterCompletion(HttpServletRequest arg0,
			HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		  //System.out.println(">>>MyInterceptor1>>>>>>>在整个请求结束之后被调用，也就是在DispatcherServlet 渲染了对应的视图之后执行（主要是用于进行资源清理工作）");
	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
			Object arg2, ModelAndView arg3) throws Exception {
		//System.out.println(">>>MyInterceptor1>>>>>>>请求处理之后进行调用，但是在视图被渲染之前（Controller方法调用之后）");
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
			Object invoke) throws Exception {
		HttpSession  session = request.getSession();
		AdminUser user = (AdminUser) session.getAttribute("user");
		if(user!=null) {
			return true;
		}
		
		response.sendRedirect(request.getContextPath() + "/admin/login");
		
		return false;
		
	}


}
